Antenna selection in MIMO radar with collocated antennas

doi:10.21629/JSEE.2019.06.08

Journal of Systems Engineering and Electronics ›› 2019, Vol. 30 ›› Issue (6): 1119-1131.doi: 10.21629/JSEE.2019.06.08

收稿日期:2019-01-03 出版日期:2019-12-20 发布日期:2019-12-25

Antenna selection in MIMO radar with collocated antennas

Haowei ZHANG^1,*(), Junwei XIE¹(), Junpeng SHI²(), Zhaojian ZHANG³()

¹ Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China
² Electromagnetic Countermeasure College, National University of Defense Technology, Hefei 230031, China
³ Air Force Early Warning Academy of the PLA, Wuhan 410039, China

Received:2019-01-03 Online:2019-12-20 Published:2019-12-25
Contact: Haowei ZHANG E-mail:zhw_xhzf@163.com;xjw_xjw123@163.com;15661081720@163.com;zzj554038@163.com
About author:ZHANG Haowei was born in 1992. He received his bachelor and master degrees from the Air and Missile Defense College, Air Force Engineering University, Xi'an, Shaanxi, China, in 2014 and 2016, respectively. He is currently a doctoral student in the Air and Missile Defense College with the same university. His research interests include multifunction radar resource management and intelligent scheduling. E-mail: zhw_xhzf@163.com|XIE Junwei was born in 1970. He received his bachelor, master, and doctor degrees from the Air and Missile Defense College, Air Force Engineering University, Xi'an, Shaanxi, China, in 1993, 1996 and 2009, respectively. He is currently a professor in the Air and Missile Defense College with the same university. He has published more than 100 refereed journal articles, book chapters, and conference papers. His research interests include novel radar systems as well as jamming and anti-jamming. E-mail: xjw_xjw123@163.com|SHI Junpeng was born in 1991. He received his M.S. and doctor degrees from the Air Force Engineering University, Xi'an, Shaanxi, China, in 2014 and 2018, respectively. He is currently a lecturer in the National University of Defense Technology, Anhui, Hefei. His research interests include array signal processing, compressive sensing, and radar antistealth technology. E-mail: 15661081720@163.com|ZHANG Zhaojian was born in 1989. He received his bachelor, master and doctor degrees from the Air and Missile Defense College, Air Force Engineering University, Xi'an, Shaanxi, China, in 2011, 2013 and 2017, respectively. He is currently a lecturer in the Air Force Early Warning Academy of the PLA, Wuhan, Hubei. His research interest is radar signal processing. E-mail: zzj554038@163.com
Supported by:
the National Natural Science Foundation of China(61601504);This work was supported by the National Natural Science Foundation of China (61601504)

摘要/Abstract

Abstract:

An antenna adjustment strategy is developed for the target tracking problem in the collocated multiple-input multiple-output (MIMO) radar. The basic technique of this strategy is to optimally allocate antennas by the prior information in the tracking recursive period, with the objective of enhancing the worst-case estimate precision of multiple targets. On account of the posterior Cramer-Rao lower bound (PCRLB) offering a quantitative measure for target tracking accuracy, the PCRLB of joint direction-of-arrival (DOA) and Doppler is derived and utilized as the optimization criterion. It is shown that the dynamic antenna selection problem is NP-hard, and an efficient technique which combines convex relaxation with local search is put forward as the solution. Simulation results demonstrate the outperformance of the proposed strategy to the fixed antenna configuration and heuristic search algorithm. Moreover, it is able to offer close-to performance of the exhaustive search method.

Key words: collocated multiple-input multiple-output (MIMO) radar, multi-target tracking, antenna selection, posterior Cramer-Rao lower bound (PCRLB), direction-of-arrival (DOA)

. [J]. Journal of Systems Engineering and Electronics, 2019, 30(6): 1119-1131.

Haowei ZHANG, Junwei XIE, Junpeng SHI, Zhaojian ZHANG. Antenna selection in MIMO radar with collocated antennas[J]. Journal of Systems Engineering and Electronics, 2019, 30(6): 1119-1131.

图/表 10

参考文献 40

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Algorithm	Computational complexity
Exhaustive search [34]	$O(2^{M+N}(M N)^{3} Q^{4})$
Heuristic search [20]	$O(K(M+N)(M NQ)^{4})$
Proposed algorithm	$O((M N Q)^{35})$

Index	1	2	3
Position/km	(412.975, 2.95)	(162.975, 188.2)	(12.68, 111.79)
Velocity/(m/s)	(-590, 10)	(-590, -40)	(-591, -594)
Acceleration/(m/s$^2$)	(-2, 0)	(-2, 0)	(-2, -2)

Antenna selection in MIMO radar with collocated antennas

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